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Accessing the clusters to obtain an interactive node with Linux.

SSH (with X forwarding enabled) to the headnode.

[neil@clapham ~]$ ssh -X neil@lonsdale.tchpc.tcd.ie

Accessing the clusters to obtain an interactive node with Mac OS X.

In order to use interactive resources X11 libraries are required to display the GUI of the application you wish to use. The latest versions of Mac OS X no longer have the X11 libraries built in as per their support statement at http://support.apple.com/kb/HT5293

In order to use the GUI applications from a new OS X version you will need to install the X11 libraries from the XQuartz project: http://xquartz.macosforge.org. Once installed you will need to log out and back in again for them to be detected.

Then you can SSH (with X forwarding enabled) to the headnode.

[neil@clapham ~]$ ssh -X neil@lonsdale.tchpc.tcd.ie

Requesting an interactive allocation to run your GUI application from

Request an allocation of 1 node with the 'salloc' command, giving the following parameters: